﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using Microsoft.Phone.Tasks;

namespace DailyBread
{
    
    public partial class App : Application
    {

        /// <summary>
        /// Provides easy access to the root frame of the Phone Application.
        /// </summary>
        /// <returns>The root frame of the Phone Application.</returns>
        public PhoneApplicationFrame RootFrame { get; private set; }

        public bool appBarEventsRegistered { get; set; }
        public AppContext context;
        public AppSetting setting, currentSetting;

        /// <summary>
        /// Constructor for the Application object.
        /// </summary>
        public App()
        {
            appBarEventsRegistered = false;

            // Global handler for uncaught exceptions. 
            UnhandledException += Application_UnhandledException;

            // Show graphics profiling information while debugging.
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // Display the current frame rate counters.
                Application.Current.Host.Settings.EnableFrameRateCounter = true;

                // Show the areas of the app that are being redrawn in each frame.
                //Application.Current.Host.Settings.EnableRedrawRegions = true;

                // Enable non-production analysis visualization mode, 
                // which shows areas of a page that are being GPU accelerated with a colored overlay.
                //Application.Current.Host.Settings.EnableCacheVisualization = true;
            }

            // Standard Silverlight initialization
            InitializeComponent();

            // Phone-specific initialization
            InitializePhoneApplication();
        }

        // Code to execute when the application is launching (eg, from Start)
        // This code will not execute when the application is reactivated
        private void Application_Launching(object sender, LaunchingEventArgs e)
        {
            context = new AppContext(System.DateTime.Today);
            setting = IsolatedStorageHelper.GetObject<AppSetting>("setting");
            
            if (setting == null)
            {
                setting = new AppSetting();
            }
            setting.InitialLoad = true;
            setting.BGSettingChanged = false;
            currentSetting = new AppSetting();
            currentSetting.TextFontSize = setting.TextFontSize;
            currentSetting.BGShade = setting.BGShade;
            currentSetting.UseSolidBG = setting.UseSolidBG;
            Color lightThemeBackground = Color.FromArgb(255, 255, 255, 255);
            SolidColorBrush backgroundBrush = App.Current.Resources["PhoneBackgroundBrush"] as SolidColorBrush;
            if (backgroundBrush.Color == lightThemeBackground)
            {   // with light background, don't use the bing image
                setting.LightBG = true;
            }
            Util.AddToLog("start " + Util.GetPhoneOSAppInfo());
        }

        // Code to execute when the application is activated (brought to foreground)
        // This code will not execute when the application is first launched
        private void Application_Activated(object sender, ActivatedEventArgs e)
        {
            if (!e.IsApplicationInstancePreserved)
            {
                context = IsolatedStorageHelper.GetObject<AppContext>("context");
                setting = IsolatedStorageHelper.GetObject<AppSetting>("setting");
                currentSetting = new AppSetting();
                currentSetting.TextFontSize = setting.TextFontSize;
                currentSetting.BGShade = setting.BGShade;
                currentSetting.UseSolidBG = setting.UseSolidBG;
                Color lightThemeBackground = Color.FromArgb(255, 255, 255, 255);
                SolidColorBrush backgroundBrush = App.Current.Resources["PhoneBackgroundBrush"] as SolidColorBrush;
                if (backgroundBrush.Color == lightThemeBackground)
                {   // with light background, don't use the bing image
                    setting.LightBG = true;
                }
            }
            Util.AddToLog("activated");
        }

        // Code to execute when the application is deactivated (sent to background)
        // This code will not execute when the application is closing
        private void Application_Deactivated(object sender, DeactivatedEventArgs e)
        {
            IsolatedStorageHelper.SaveObject<AppContext>("context", context);
            IsolatedStorageHelper.SaveObject<AppSetting>("setting", setting);
            Util.AddToLog("deactivated");
            LogSettingChanges();
        }

        // Code to execute when the application is closing (eg, user hit Back)
        // This code will not execute when the application is deactivated
        private void Application_Closing(object sender, ClosingEventArgs e)
        {
            IsolatedStorageHelper.SaveObject<AppSetting>("setting", setting);
            LogSettingChanges();
            Util.AddToLog("end");
        }

        // Code to execute if a navigation fails
        private void RootFrame_NavigationFailed(object sender, NavigationFailedEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // A navigation has failed; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        // Code to execute on Unhandled Exceptions
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        #region Phone application initialization

        // Avoid double-initialization
        private bool phoneApplicationInitialized = false;

        // Do not add any additional code to this method
        private void InitializePhoneApplication()
        {
            if (phoneApplicationInitialized)
                return;

            // Create the frame but don't set it as RootVisual yet; this allows the splash
            // screen to remain active until the application is ready to render.
            RootFrame = new PhoneApplicationFrame();
            RootFrame.Navigated += CompleteInitializePhoneApplication;

            // Handle navigation failures
            RootFrame.NavigationFailed += RootFrame_NavigationFailed;

            // Ensure we don't initialize again
            phoneApplicationInitialized = true;
        }

        // Do not add any additional code to this method
        private void CompleteInitializePhoneApplication(object sender, NavigationEventArgs e)
        {
            // Set the root visual to allow the application to render
            if (RootVisual != RootFrame)
                RootVisual = RootFrame;

            // Remove this handler since it is no longer needed
            RootFrame.Navigated -= CompleteInitializePhoneApplication;
        }

        #endregion

        private void ApplicationBarMyAmensMenuItem_Click(object sender, EventArgs e)
        {
            Util.AddToLog("view my favorites");
            PhoneApplicationFrame root = Application.Current.RootVisual as PhoneApplicationFrame;
            Util.AddToLog("FavPage");
            root.Navigate(new Uri("/Views/MyAmens.xaml", UriKind.Relative));

        }


        private void ApplicationBarAboutMenuItem_Click(object sender, EventArgs e)
        {
            Util.AddToLog("view about page");
            PhoneApplicationFrame root = Application.Current.RootVisual as PhoneApplicationFrame;
            Util.AddToLog("AboutPage");
            root.Navigate(new Uri("/Views/AboutPage.xaml", UriKind.Relative));

        }

        //private void ApplicationBarEmailMenuItem_Click(object sender, EventArgs e)
        //{
        //    EmailComposeTask email = new EmailComposeTask();

        //    email.Subject = "A good bible verse to share with you";
        //    Uri verseUri = Util.GetNavUrl(this.context.currentDisplayDate);
        //    email.Body = String.Concat("I like this verse from Daily Bread. ", verseUri.ToString());
        //    email.Show();
        //}

        private void ApplicationBarShareMenuItem_Click(object sender, EventArgs e)
        {
            Util.AddToLog("go to share page");
            PhoneApplicationFrame root = Application.Current.RootVisual as PhoneApplicationFrame;
            root.Navigate(new Uri("/Views/SharePage.xaml", UriKind.Relative));

        }

        private void ApplicationBarRateMenuItem_Click(object sender, EventArgs e)
        {
            Util.AddToLog("rate");
            MarketplaceReviewTask marketplaceReviewTask = new MarketplaceReviewTask();
            marketplaceReviewTask.Show();
        }

        private void ApplicationBarSettingsMenuItem_Click(object sender, EventArgs e)
        {
            Util.AddToLog("go to settings page");
            PhoneApplicationFrame root = Application.Current.RootVisual as PhoneApplicationFrame;
            root.Navigate(new Uri("/Views/SettingPage.xaml", UriKind.Relative));

        }

        private void LogSettingChanges()
        {
            if (setting.BGSettingChanged == true ||
                setting.BGShade != currentSetting.BGShade ||
                setting.TextFontSize != currentSetting.TextFontSize)
            {
                Util.AddToLog("New settings are BG: " + (setting.UseSolidBG ? "solid" : "image")
                    + " BGShade:" + setting.BGShade.ToString() + " FontSize:" + setting.TextFontSize.ToString());
            }
        }

    }
}